Improper Handling of Exceptional Conditions Affecting frr package, versions <7.5.1-1.1+deb10u2


Severity

Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-DEBIAN10-FRR-6048787
  • published 7 Nov 2023
  • disclosed 6 Nov 2023

How to fix?

Upgrade Debian:10 frr to version 7.5.1-1.1+deb10u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream frr package and not the frr package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

CVSS Scores

version 3.1
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NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

7.5 high
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SUSE

5.9 medium